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4

The small pox vaccine was discovered by

A. Louis Pasteur

B. Edward Jenner

C. John

D. Harvey

Correct Answer :

B. Edward Jenner


Related Questions

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4

Haemoglobin is dissolved in the plasma of

A. frog

B. fish

C. man

D. earthworm

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4

Who was the first scientist/doctor who attempted vaccination?

A. Joseph Lister

B. Robert Koch

C. Elie Metchnikoff

D. Edward Jenner

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4

The enzyme that is necessary to bring about clotting of blood is

A. peptidase

B. amylase

C. lipase

D. thrombokinase

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4

Bio indicators are

A. stains

B. pH indicators

C. weather indicators

D. soil indicators

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4

One of the following disease cannot be prevented by the DPT (triple-antigen) immunization of children.

A. Tetanus

B. Tuberculosis

C. Whooping cough

D. Diphtheria

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4

Maintenance of pregnancy is under the control of

A. follicular stimulating hormone

B. growth hormone

C. estrogen

D. progesterone

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4

Which organism probably arrived first in the world?

A. Algae

B. Fungi

C. Protozoa

D. None of the above

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4

The nerve messages enter the cell through the

A. Dendrite

B. Axon

C. Cyton

D. Synapse

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4

The disease in which blood clotting does not take place is known as

A. Xerophthalmia

B. Haemopoeisis

C. Haemophilia

D. Haemoerythrin

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4

Charles Darwin was influenced in his work by

A. Wallace

B. Lamarck

C. Malthus

D. Mendel

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4

Which one of the following is not an essential micronutrient for plants?

A. Boron

B. Zinc

C. Sodium

D. Copper

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4

Chromosome theory of inheritance was propounded by

A. Sutton and Boveri

B. Mendel

C. Muller

D. Beadle and Tatum

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4

Vessels proceeding to the heart are

A. veins

B. arteries

C. capillaries

D. lymph ducts

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4

The amount of blood in a normal man is about

A. 5.0 litres

B. 2.5 litres

C. 3.8 litres

D. 4.7 litres

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4

Tetrodotoxin is a potent poison that

A. erodes blood vessels

B. blocks conduction of nerve impulses causing respiratory paralysis

C. produces damage to the kidneys

D. produces intestinal bleeding

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4

The pigment which is responsible for blood clotting is

A. Fibrinogen

B. Haemoglobin

C. Glucose

D. Blood cells

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4

Insulin is produced in the human body by the

A. Heart

B. Kidney

C. Liver

D. Pancreas

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4

The rate of growth of plants can be measured by a/an

A. manometer

B. auxanometer

C. photometer

D. thermometer

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4

The human heart is

A. Neurogenic heart

B. Myogenic heart

C. Pulsating heart

D. Ampullary heart

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4

The part of the eye behind the lens is filled with

A. aqueous humor

B. vitreous humor

C. lymph

D. blood

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4

Plantain is

A. a tree

B. an annual herb

C. a perennial herb

D. a shrub

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4

The hormone that is responsible for secondary sexual character in the male is

A. oestrogen

B. progesterone

C. testosterone

D. prolactin

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4

Vessels leaving the heart are

A. veins

B. arteries

C. capillaries

D. lymph ducts

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4

Enzymes are produced by

A. endocrine glands

B. exocrine glands

C. liver

D. spleen

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4

Which among the following is a communicable disease?

A. Beri Beri

B. Diabetes

C. Leucoderma

D. Dysentery

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4

Modern classification of the living world recognise ___________ kingdoms.

A. two

B. three

C. four

D. five

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4

Vivipary is defined as germination

A. during storage

B. within the fruit

C. with cotyledons coming out of soil

D. with cotyledons remaining inside the soil

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4

Loss of blood is

A. clotting

B. receding

C. healing

D. drying up

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4

Fishes send out their nitrogenous waste as

A. ammonia

B. urea

C. uric acid

D. sweat

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4

Malnutrition is due to

A. undernourishment

B. want of balanced diet

C. overfeeding

D. All the above